Marcelo out for at least two weeks. Real Madrid left back Marcelo will be unavailable for Real Madrid?s UEFA Champions League quarter-final clash against Borussia Dortmund on Wednesday after suffering a hamstring tear. According to the official medical report released by the club, Marcelo had undergone further tests on Monday morning, and was diagnosed with a first-grade tear on his left hamstring. Marcelo has injured his thigh muscle. #ÁnimoMarcelo — Rhiannon Jones (@rhiannoncwjones) April 1, 2014 ?We have a good replacement for Marcelo, Coentrao has the experience and he?s fresh for this game,? Ancelotti revealed in his pre-match conference. ?Coentrao has the same job as Marcelo.? According to UEFA.com, Marcelo could be out for at least 15 days, a big blow for Ancelotti after right back Alvaro Arbeloa was sidelined with a knee injury last week. He is also expected to miss Real Madrid?s away tie against Real Sociedad at the Anoeta stadium along.